Suppose a certain species bird has an average weight of = 3.85 grams. Based on previous studies, we can assume that the weights of these birds have a normal distribution with σ = 0.31 grams. Find the sample size necessary for a 98% confidence level with a maximal error of estimate E = 0.09 for the mean weights of the hummingbirds.

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A:

Q: A survey found that​ women's heights are normally distributed with mean 63.8 in. and standard…

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A: Given that  Sample size n =31 Sample mean =12.1 Population standard deviation =2

Q: The mean age when smokers first start is 13 years old with a population standard deviation of 2…

A: From the provided information, Sample size (n) = 31 Sample mean (x̄) = 12.4 Population standard…

Q: What percentage of organs weighs less than 250 grams or more than 350 grams in a bell-shaped…

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A: Given Sample=30 Mean=12.2 Standard deviation=2 Significance level=0.01

Q: The mean age when smokers first start is 13 years old with a population standard deviation of 2…

A: The hypotheses for the test is given below.Null hypothesis:H0: µ = 13Alternative hypothesis:H1: µ ≠…

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Q: he mean age when smokers first start is 13 years old with a population standard deviation of 2…

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Q: 32 students from Batangas National High school shows a mean 1Q of 111 while 30 students from…

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Q: The mean age when smokers first start is 13 years old with a population standard deviation of 2…

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Q: 9. 32 students from Batangas National High school shows a mean IQ of 111 while 30 students from…

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Q: The mean age when smokers first start is 13 years old with a population standard deviation of 2…

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Q: alaries for senior Civil engineers per year have known mean of 80 K dollars and standard deviation…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.